The Cook County cases follow the first case of measles this year in Illinois in an unvaccinated adult in Marion, reported last week.

CHICAGO (WGN) — Cook County’s first two measles patients of the year are in isolation Thursday, but health officials have listed several locations where the public may have been exposed.

Two measles cases have been confirmed in Cook County amid the latest 2025 outbreak, public health officials announced Wednesday. They are the first two such cases in Cook County this year.

Health officials confirmed two adult measles cases—one in Chicago, one in suburban Cook County. Public exposure may have occurred at O’Hare, a Chicago library, restaurants, and gas stations.

Measles symptoms include rash, high fever, cough, runny nose and red, watery eyes. Measles symptoms appear up to 21 days after exposure, and individuals can be contagious in the four days before ...

Donation Options Search Search Search Health officials have reported the first two confirmed cases of measles in Cook County. AP file Share Editor’s note: City health officials said Thursday the ...

CHICAGO (WLS) -- The Chicago Department of Public Health and Cook County Department of Public Health have identified the first two cases of measles in Cook County this year, the agencies said ...

Health officials have reported the first two confirmed measles cases of the year in Cook County. One person with the disease is an adult from Chicago who traveled internationally through O’Hare ...